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FDA Purple Book · Reference family

C1 Esterase Inhibitor (Recombinant) (Ruconest)

C1 Esterase Inhibitor (Recombinant) is an FDA-licensed reference biologic from Pharming Americas BV. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

2014

Reference approved

Reference product

351(a)BLA 125495

Ruconest C1 Esterase Inhibitor (Recombinant)

Pharming Americas BV

Approved
Jul 16, 2014
Marketing
Rx
Center
CBER
Patents
None listed

Exclusivity & patent cliffs

Approval, exclusivity, and published-patent expiration dates for C1 Esterase Inhibitor (Recombinant), in chronological order.

  1. First licensure

    Date C1 Esterase Inhibitor (Recombinant) was first licensed by the FDA.

    12 yr 1 mo ago

  2. Reference approval

    Approval date of the reference C1 Esterase Inhibitor (Recombinant) product.

    12 yr 1 mo ago

  3. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    4 yr 11 mo ago

  4. Reference exclusivity ends

    12-year reference-product exclusivity under the BPCIA.

    in 2 mo

Frequently asked questions

Are there biosimilars approved for C1 Esterase Inhibitor (Recombinant) (Ruconest)?

No 351(k) biosimilars or interchangeable biosimilars referencing C1 Esterase Inhibitor (Recombinant) are listed in the FDA Purple Book yet.

When does C1 Esterase Inhibitor (Recombinant) (Ruconest) lose reference-product exclusivity?

C1 Esterase Inhibitor (Recombinant)'s 12-year reference-product exclusivity under the BPCIA is listed in the FDA Purple Book as ending July 16, 2026.

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